Mug



FIG. 1 is a perspective view of a mug showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is side view thereof; and,

FIG. 5 is top view thereof.

The broken lines are for illustration purposes only and form no part of the claimed design. 

The ornamental design for a mug, as shown and as described. 